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Finding the Fourth Proportional to 396,676.75, 595,015.17 and 101,188.75

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Solution

The fourth proportional to 396,676.75, 595,015.17 and 101,188.75 is: 151,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,676.75 : 595,015.17 = 101,188.75 : x
  2. Step 2: Convert to fraction form
    396,676.75/595,015.17 = 101,188.75/x
  3. Step 3: Cross multiply
    396,676.75x = 595,015.17 × 101,188.75
  4. Step 4: Simplify right side
    396,676.75x = 60,208,841,283.34
  5. Step 5: Solve for x
    x = 60,208,841,283.34/396,676.75
  6. Step 6: Final answer
    x = 151,783.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.